// 抢票的代码就可以更新成为 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>
#include "Mutex.hpp"
using namespace LockModule;
int ticket = 1000;

// Mutex mutex;
pthread_mutex_t _mutex;
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
void *route(void *arg)
{
    char *id = (char *)arg;
    while (1)
    {
        // pthread_mutex_lock(&mutex); // 使用RAII⻛格的锁 
        if (ticket > 0)
        {
            usleep(1000);
            printf("%s sells ticket:%d\n", id, ticket);
            ticket--;
            pthread_mutex_unlock(&mutex);
        }
        else
        {
            printf("%s wait on cond !\n", id);
            pthread_cond_wait(&cond, &mutex);
            printf("%s 被叫醒！\n" , id);
        }
        pthread_mutex_unlock(&mutex);

    }
    return nullptr;
}
int main(void)
{
    pthread_t t1, t2, t3, t4;
    pthread_create(&t1, NULL, route, (void*)"thread 1");
    pthread_create(&t2, NULL, route, (void*)"thread 2");
    pthread_create(&t3, NULL, route, (void*)"thread 3");
    pthread_create(&t4, NULL, route, (void*)"thread 4");

    int cnt = 10;
    while (true)
    {
        sleep(5);
        printf("主线程放票了\n");
        ticket += cnt;
        pthread_cond_signal(&cond);
    }
    
    pthread_join(t1, NULL);
    pthread_join(t2, NULL);
    pthread_join(t3, NULL);
    pthread_join(t4, NULL);
    auto x = nullptr;

    return 0;
}
